Medienbibliothek (Bilderverwaltung)

Perfect quality, Demantoid specimen, from Malenco Valley, Sondrio Province, Lombardy, Italy; Dimensions: 75 mm x 57 mm x 27 mm

Perfect quality and well shaped, Lazurite crystals on matrix rock, from Ladjuar Medam, Sar-e Sang, Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan; Dimensions: 66...

Perfect quality, demantoid specimen, from Antetezambato Demantoid-Topazolite Mine, Antetezambato, Maherivaratra Commune, Ambanja District, Diana Region, Antsiranana Province, Madagascar

Stollenrest Antimonbergbau St. Gertrud, Situation 10.09.2006

Hügel in dem sich der ehem. Antimonbergbau befindet, Situation 10.09.2006

Perfect quality, Pseudomalachite specimen, from L'Etoile du Congo Mine, Lubumbashi, Haut-Katanga, DR Congo. (Only the upper dark blue-green layer is pseudomalachite, the matrix is chrysocolla and t...

Perfect quality, Pseudomalachite specimen, from L'Etoile du Congo Mine, Lubumbashi, Haut-Katanga, DR Congo. (Only the upper dark blue-green layer is pseudomalachite, the matrix is chrysocolla and t...

Restgebäude aus der Bergbauzeit in gewerblicher Umnutzung - 1. Mai 2008

Restgebäude aus der Bergbauzeit in gewerblicher Umnutzung - 1. Mai 2008